Skyworth Digital Technology(Shenzhen) Co.,Ltd
MAC address prefix 30:91:76 is registered to Skyworth Digital Technology(Shenzhen) Co.,Ltd in the IEEE OUI registry. Any device whose MAC address begins with 30:91:76 has a network interface built by Skyworth Digital Technology(Shenzhen) Co.,Ltd. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address — it covers every MAC from 30:91:76:00:00:00 to 30:91:76:FF:FF:FF.
- OUI prefix
- 30:91:76
- Hyphen form
- 30-91-76
- MAC range
- 30:91:76:00:00:00 – 30:91:76:FF:FF:FF
- Addresses in block
- 16,777,216
- Organization
- Skyworth Digital Technology(Shenzhen) Co.,Ltd
- Address
- 7F,Block A,Skyworth Building, Shenzhen Guangdong CN 518057
- Source
- IEEE OUI registry
Have a full MAC address? Look it up— we'll also tell you if it's a randomized (private) address rather than a real manufacturer prefix.
Other prefixes from Skyworth Digital Technology(Shenzhen) Co.,Ltd
Skyworth Digital Technology(Shenzhen) Co.,Ltd holds 17 OUI prefixes in total. A device with this exact prefix could just as well carry any of these:
Assignment history (2)
The IEEE registry publishes current state only — this is the change record we've kept since we started tracking it daily.
- 2019-08-04Assigned to "Skyworth Digital Technology(Shenzhen) Co.,Ltd"archived source →
- 2026-07-17Assigned to "Skyworth Digital Technology(Shenzhen) Co.,Ltd"
Nearby in the registry
The prefixes assigned immediately before and after 30:91:76:
- Hewlett Packard30:8D:99
- HUAWEI TECHNOLOGIES CO.,LTD30:8D:D4
- Shenzhen iComm Semiconductor CO.,LTD30:8E:7A
- HUAWEI TECHNOLOGIES CO.,LTD30:8E:CF
- Apple, Inc.30:90:48
- Apple, Inc.30:90:AB
- Vantiva Technologies Belgium30:91:8F
- SHANGHAI SUNMON COMMUNICATION TECHNOGY CO.,LTD30:92:F6
- Sagemcom Broadband SAS30:93:BC
- vivo Mobile Communication Co., Ltd.30:94:35
- HUNAN FN-LINK TECHNOLOGY LIMITED30:95:87
- SHANGHAI SIMCOM LIMITED30:95:E3
FAQ
- Which company owns MAC address prefix 30:91:76?
- MAC address prefix 30:91:76 is registered to Skyworth Digital Technology(Shenzhen) Co.,Ltd in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 30:91:76 has a network interface built by Skyworth Digital Technology(Shenzhen) Co.,Ltd.
- What is the OUI 30:91:76?
- 30:91:76 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Skyworth Digital Technology(Shenzhen) Co.,Ltd. It covers every address from 30:91:76:00:00:00 to 30:91:76:FF:FF:FF, or 16,777,216 addresses in total. It is also written 30-91-76.
- How do I find the manufacturer of a MAC address?
- Take the first three octets of the address — in 30:91:76:00:00:00 that is 30:91:76 — and look that prefix up in the IEEE OUI registry. If the second-lowest bit of the first octet is set, the address is locally administered (a randomized or private MAC), which belongs to no manufacturer and will not resolve; modern phones and laptops use these by default on each network.
- Where is Skyworth Digital Technology(Shenzhen) Co.,Ltd located?
- Skyworth Digital Technology(Shenzhen) Co.,Ltd is listed at 7F,Block A,Skyworth Building, Shenzhen Guangdong CN 518057 in the IEEE OUI registry entry for 30:91:76. This is the address the organization registered with the IEEE, which may differ from its current operating address.
- How many MAC prefixes does Skyworth Digital Technology(Shenzhen) Co.,Ltd own?
- Skyworth Digital Technology(Shenzhen) Co.,Ltd holds 17 OUI prefixes in the IEEE registry, of which 30:91:76 is one. A device made by Skyworth Digital Technology(Shenzhen) Co.,Ltd could carry a MAC address from any of them.